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Planning records

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D22A/0706

Planning permission is sought for replacement of upvc windows with painted hw sash windows to front elevation, removal of lean-to sheds to rear north boundary wall, alterations to existing rear extension to include increase in ground floor area to north and west, removal of rear extension pitched roof, to be replaced with new first floor extension with flat roofs, new opaque glazed windows to north and south first floor elevations, new velux rooflight to rear pitched main roof, internal alterations and all associated site works.

Sonas, 16 Northumberland Avenue, Dun Laoghaire, Co Dublin, A96Y625Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted14 November 2022
D25A/0943/WEB

Permission is sought for the change of use from a multi-occupancy building containing three apartments back to a family home. The development will consist of the construction of a ground floor, single storey extension to rear with flat roof (proposed floor area approx. 23sqm), removal of steel external stairs and walkway to rear, installation of roof light in existing structure, alterations to internal layouts, replacing existing door with a window (side elevation) and all associated site works.

15, Northumberland Avenue, Dun Laoghaire, Co. Dublin, A96EH42Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted06 February 2026
D26A/0155/WEB

The development will consist of: Alterations to the proposed development permitted under Register Reference No. D24A/0551/WEB. Works include i) the removal of an existing flat roof extension at basement level, ii) removal of existing two storey rear annex structure, iii) construction of a flat roof replacement basement extension with 1 no. roof light, iv) construction of a new rear extension with 1 no. roof light at upper ground floor level, v) construction of a replacement bathroom extension at first floor level, vi) internal modifications and general upgrades, vii) all associated site, landscaping and services works.

18, Northumberland Avenue, Dun Laoghaire, Dublin, A96K793Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted03 June 2026
D24A/0551/WEB

Planning permission for 01) Demolition of existing flat roof extension to rear at Basement level, 02) Partial demolition of rear return at Ground Floor level to facilitate proposed extension, 03) General internal alterations to Basement level to facilitate the alteration of existing independently accessed apartment from a two-bed apartment into a one-bed apartment, 04) Proposed new flat roof extension to rear including 4.2sqm at Basement level and 18.7sqm at Ground Floor level, 05) Proposed new roof-light to existing flat roof to South side at Ground Floor level, 06) All ancillary site works.

18, Northumberland Avenue, Dun Laoghaire, Dublin, A96K793Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted11 September 2024
D23B/0521

Demolition of existing two-storey extension to the rear (east) and one storey boiler room to the side (south). Construction of proposed two storey extension to rear (east) with flat roof and 3no. roof lights. Construction of proposed side passage with flat roof, in place of existing side passage. Amendments to glazing on front main house (west) elevation and rear main house (east) elevation. Application of external wall insulation to existing house. Internal modifications, associated hard landscaping to rear and all ancillary works.

34, Northumberland Avenue, Dun Laoghaire, Dublin, A96Y7H1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted15 January 2024
D24B/0258

Permission to increase the height of the front boundary wall separating the gardens of no 38 and no 39 Northumberland Avenue.

38, Northumberland Avenue, Dun Laoghaire, Dublin, A96TY20Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted24 July 2024
D21B/0252

Permission is sought for the conversion

12A, Northumberland Avenue, Dun Laoghaire, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused07 July 2021
D23B/0296

Permission is sought for the conversion of the existing 63 SqM 1-bedroom house into a 100 SqM 2-bedroom house via the demolition of the rear of the existing house, construction of a 2- storey rear extension, and dormer attic conversion to the front, along with associated site works - including the demolition of existing coal sheds

12A, Northumberland Avenue, Dun Laoghaire, Dublin, A96HY76Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused11 August 2023
D23A/0347

Retention of development to include 1) steel structures, balustrades and cladding to rear balcony 2) ancillary fixtures/fitting to include storage shed, bicycle storage rack under ground floor balcony and landscaping walls, and planters, all within rear courtyard. Also permission to 3) reconstruct and relocate bin storage enclosure, extend hard landscaping, planters, and walls, and convert shed to provide 4 no. storage units all within rear courtyard area.

12 Northumberland Avenue, Dun Laoghaire, Dublin,Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted17 July 2023
D23B/0596

Alterations to the existing first floor rear elevation windows to extend them to allow the glazed elements to drop from a cill height of 1.5m to a cill height of 0.9m.

Rinneen, 16 Sydenham Mews, Dun Laoghaire, Dublin, A96K594Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted16 February 2024
D23A/0166

Permisson for development. Demolition of existing one & two-storey rear extensions to three story mid-terrace house & the subseqent construction of a new single storey rear extension (61 sqm). Proposed works will also include general restoration and decoration works, replacement of all non-original windows at lower, upper and first floors to west (front) and east (rear) elevations. Modification of existing and inclusion of new window opes to rear return at upper and first floor level, 1no. new rooflight to existing rear, 3no. new rooflights to new single-storey extension, modifications to existing layouts to all floors, new vehicular entrance gate and all associated site works.

31 Northumberland Avenue, Dun Laoghaire, Co. Dublin, A96EY19Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted03 May 2023
D25A/0110/WEB

The development will consist of the moving and widening of the existing vehicular entrance. This will include the demolition of part of the existing front boundary wall, the making good of the new ope, and all associated site works.

31, Northumberland Avenue, Dun Laoghaire, Co. Dublin, A96EY19Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted03 April 2025
D26B/0014/WEB

The development will consist of demolishing the existing two-storey rear extension; constructing a new part single-storey, part two-storey rear extension; replacing a window on the rear elevation with a door; landscaping works; and all associated site works.

32, Mulgrave Street, Dun Laoghaire, Co. Dublin, A96R230Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted09 March 2026
D21A/0819

Permission is sought for Sub-division of existing site

30 Northumberland Avenue, Dun Laoghaire, Co. Dublin, A96 TY20Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused23 August 2022
D24A/0130

Reconstruction of the existing 17-degree pitched and hipped roofs comprising a new 33-degee pitch to the roof, to align with neighbouring roof at 11 Sydenham Mews, with new rooflights in position of existing rooflights at front and rear. New gable wall to north elevation, with french door with metal guardrail to attic level facing north and new pedestrian gate serving rear yard of mews.

10 Sydenham Mews, Dun Laoghaire, Dublin, A96CX97Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted24 April 2024
D21B/0669

Permission is sought for a second floor and roof level

26 Mulgrave Street, Dun Laogahire, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused04 February 2022
D19A/0448

Permission is sought for sub-division of existing site, construction of new boundary wall and residential development comprising 2 no. 2 storey, 3 bedroom, semi-detached mews dwelling houses accessed from the shared access lane way to the rear of the existing property and with private gardens to rear. The development will include new water mains connections, new electrical supplies, new foul and surface water drainage connections, hard and soft landscaping including provision of 4 no. car parking spaces, refuse and bike store and all other associated works to the rear.

29, Northumberland Avenue, Dun Laoghaire, Co. Dublin, A96 PY27Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted31 January 2020
D24A/0945/WEB

Sub-division of existing 3 storey dwelling to form new lwr ground floor apartment with 2 story dwelling above; alterations to front garden to form new terrace + stairs to lwr ground floor; alterations to window to lwr ground floor to be door to front elevation; removal of conc. steps to rear return and replacement with new steel stairs; alterations to windows to rear return of dwelling; internal alterations and all associated site works.

46, Northumberland Avenue, Dun Laoghaire, Co. Dublin, A96C1H5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted27 January 2025
D20A/0456

Permission for Retention is sought to retain

No. 7 Sydenham Mews, Dun Laoghaire, Co. Dublin A96 PW42Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.1 km away
Granted24 August 2020
D21B/0016

Permission is sought for partial demolition of boundary

8 Northumberland Avenue, Dun Laoghaire, Co. Dublin, A96 WV76Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted11 March 2021
D22A/0073

Retention is sought to retain change of use

58, Mulgrave Street, Dun Laoghaire, Co DublinDun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.1 km away
Granted14 April 2022
D23A/0069

Change of Office Use to Single Family Residential Use. The works are to include minor interior ancillary contingent works to enable the Change Of Use.

9 Corrig Avenue, Dun Laoghaire, Dublin, A96V6H3 A Protected StructureDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted29 March 2023
D19A/0991

Permission is sought for a Change of use of `Office Use` to `Single Family Residential Use`. The works are to include (A) the reinstatement of the stairs between the basement and the ground floor of number 8; B) Ancillary minor contingent works in number 8 and C) the re-erection of the party boundary railings between the front gardens of numbers 8 and 9 Corrig Avenue.

8 Corrig Avenue, Dun Laoghaire, Co Dublin A96 W6X6 (A Protected Structure)Dun Laoghaire Rathdown County CouncilPermission0 reasons4 conditions0.1 km away
Granted18 February 2020
D21A/1103

Permission is sought for refurbishment

8, Corrig Avenue, Dun Laoghaire, Dublin, A96W6X6 ( A Protected Structure)Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted09 February 2022
D24A/0715

Permission to change 59 Mulgrave Street, Dun Laoghaire from Commercial to Residential usage. Permission is also sought to renovate the existing single storey terraced structure to the front, to demolish the two storey return and to erect a new single and two storey extension at the rear. The proposal will include three bedrooms, living/dining/kitchen space and ancillary accommodation.

59, Mulgrave Street, Dun Laoghaire, Dublin, A96XK33Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted04 November 2024
D23A/0536

Proposed external alterations to include alterations to existing opes to rear at lower ground and upper ground level and at sides of rear return, replacement of non-original glazing, internal insulation, new terraced access from rear return to garden, new store, relocation of vehicular access gates from side to front garden with provision of new gates to front, new conservation style rooflights to rear. New photovoltaic panels to roof rear, internal alterations including changes to internal layouts, provision of internal insulation, new ensuites at first floor level, replacement of sanitary ware and new kitchen fittings, replacement of services and general refurbishment and repairs as required to include all associated conservation and ancillary site works. A Protected Structure.

9, Corrig Avenue, Dun Laoghaire, Dublin, A96V6H3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted23 November 2023
D25A/0331

We intend to apply for Planning Permission to reduce the number of car parking spaces, from four to one, at the rear of 59. Also, to erect a new stone boundary wall, topped with a timber fence and with a 3.5M mechanically operated sliding vehicular access gate to the rear lane.

59 Mulgrave Street, Dun Laoghaire, Co. Dublin, A96XK33Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted09 June 2025
D24A/0964

Planning Permission to change the use from Commercial to Residential. Permission is also sought to renovate the existing single storey terrace structure to the front, to demolish the two storey return and to erect a new single storey extension at the rear. The proposal will include two bedrooms, living/dining/kitchen space and ancillary accommodation.

59, Mulgrave Street, Dun Laoghaire, Co. Dublin, A96 XK33Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted05 February 2025
D25A/0163/WEB

The single-story extension on the north side to comprise a utility room, toilet and store; internal alterations to comprise the addition of an ensuite shower room on the first floor and removal of a shower room on the ground floor and the addition of a Velux type roof light in the roof of the rear return; associated elevational changes to the rear return; refurbishment of the property, demolition of the rear garden shed and the increase of the front vehicular entrance to 3.5 m wide.

Annamount, 3 Mulgrave Street, Dun Laoghaire, Co Dublin.Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted22 April 2025
D21A/0941

Permission is sought for the material change

76, Patrick Street, Dun Laoghaire, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused15 December 2021
D20A/0881

Permission is sought for the

76, Patrick Street, Dun Laoghaire, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused29 January 2021
D26A/0225/WEB

The development will consist of works to a Protected Structure: 1. On the Entrance Floor level, add an opening in the internal wall between the living and dining room. 2. Demolish existing sunroom and replace with a deck. 3. Widen existing gate on side elevation to facilitate vehicular access. 4. Renewal of render. 5. Replace stairs linking Lower Ground Floor level to Entrance Floor level. 6. On the Entrance Floor level, extension of window in the rear to allow for French doors. 7. On the First Floor, construct a temporary wall to divide the existing bedroom. 8. The replacement of non-original PVC windows with timber framed sash windows. 9. Provision for solar panels on the rear slated roof. 10. Repair and restoration of the existing main slate roof. All along with associated general restoration & decoration works, site works, services and landscaping.

10, Corrig Avenue, Dun Laoghaire, Dublin, A96PX72 (A Protected Structure)Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted18 May 2026
D26B/0035/WEB

01) Demolition of existing single storey lean-to extensions to rear of house and removal and raising of existing flat roof to rear of house, 02) Alterations to fenestration to the rear and side of the existing house, 03) Construction of new single storey flat roof extension to the rear, with one and a half height section over the dining area, 04) All associated site works required to facilitate the development.

75, Patrick Street, Dun Laoghaire, Co. Dublin, A96PH55Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted11 March 2026
D25A/0407/WEB

Permission is sought for: alterations, renovations, and extension of the existing semi-detached two-storey house (A PROTECTED STRUCTURE). Proposed works include; Demolition of the existing non-original single storey extensions to the rear & side of the original structure; Construction of a new 18 sqm two-storey extension & a new 49 sqm single-storey extension featuring a canopy overhang & external chimney, all to the rear of the existing structure; Addition of 3 new window openings to the side of the original dwelling; Modifications to the original structure to allow for the new layout & extensions including; - Widening of two original window openings at the rear at upper ground floor level to provide access to the new rear single storey extension., - Forming of two new doorway openings, one at upper ground floor level & one at upper first floor level to provide access to the new rear two storey extension., - Removal of original internal walls and two existing internal doors at upper ground floor level to accommodate new hall layout & visit-able WC., - Removal of section of wall to hallway at lower ground floor level., - Blocking up of original internal door at upper first floor level forming of new internal doorway with the re-use of the original architrave and internal door in the new opening., - Modifications of the existing Front Porch to remove the non-original glazing & porch door with repair & restoration of existing front door.; New replacement external timber door to lower ground floor front entrance; Refurbishment of an existing retained original sash window along with replacement of non-original aluminium windows in original openings with new replacement timber framed windows throughout the existing building; Repair & restoration of the existing main slate roof & cast-iron rainwater goods; Provision of breathable thermal insulation to the interior of existing external walls at Lower Ground Floor Level; Provision for Solar Panels to the valley roof slope; External works to include repair and restoration of cast iron railings & granite to front entrance steps; All along with associated general restoration & decoration works, site works, services & landscaping.

Rossmore, 16 Corrig Avenue, Dun Laoghaire, Dublin, A96W206 (A Protected Structure)Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted16 July 2025
D20B/0272

Permission for development

77 Patrick Street, Dun Laoghaire, Co. Dublin.Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted04 November 2020
D20A/0247

Permission for partial demolition of existing storage / garage building (existing car parking space maintained) and erection of a two storey (plus attic) mews house and associated works to rear.

'Avondale House', 3, Northumberland Avenue, Dun Laoghaire, Co. Dublin, A96 X093Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused07 July 2020
D23A/0118

Widen existing pedestrian access to create new vehicular entrance to provide off-street carparking and dished footpath.

4, Corrig Avenue, Dun Laoghaire, Dublin, A96YE97 A Protected StructureDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted17 April 2023
D25A/0708/WEB

The proposed development is a revision of D24A/0884 for a Change of use of the existing 250sqm commercial building, a former HSE premises, into a single 4-bedroom, 265sqm dwelling; additional floor area provided by flooring over the first floor level void. Private open space to the rear to be enclosed by new timber fence panels, with sliding gate for vehicular access. The development will consist of the removal of the rear section of roof and glazing, alterations to the rear elevation, construction of first floor extension within the footprint of the existing ground floor plan, new rooflights, elevational alterations and associated works associated with the items above.

63, Mulgrave Street, Dun Laoghaire, Dublin, A96YD61Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted04 November 2025
V/037/25

2 Units

85/86, Patrick Street, Dun Laoghaire, Dublin, A96XD50Dun Laoghaire Rathdown County CouncilCertificate of Exemption - Part V0 reasons0 conditions0.2 km away
Granted19 May 2025
D25A/0400/WEB

Permission for 1) Change of use of two commercial units to residential use to create two townhouses; 2) Demolition of the two existing single-storey rear extensions; 3) Construction of a two-storey rear extension to each townhouse; a new side window at first floor level; 4) Proposed alterations to fenestration to front and side of the buildings at ground floor level; 5) New rooflights to the front; internal alterations; and all associated site works.

85/86, Patrick Street, Dun Laoghaire, Dublin, A96XD50Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted16 July 2025
D26A/0205/WEB

Partial demolition, alterations to the existing structure including a two storey extension to the existing dormer attic space, alteration of the driveway entrance to a central position encompassing associated works to the public pavement and landscaping works.

66, Patrick Street, Dun Laoghaire, Co. Dublin, A96Y074Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted06 May 2026
D19A/0966

Permission for reinstatement of original residential

66 Patrick Street, Dun Laoghaire, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons10 conditions0.2 km away
Granted11 February 2020
D24A/0884/WEB

Change of use of the existing 250sqm commercial building, a former HSE premises, into a single 4-bedroom, 265sqm dwelling; additional floor area provided by flooring over first floor level void. Private open space to the rear to be enclosed by new timber fence panels, with sliding gate for vehicular access

63 Mulgrave Street, Dun Laoghaire, Co. Dublin, A96YD61Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted17 December 2024
D20A/0433

Permission is sought for; demolition of shed to rear and

18B, Corrig Avenue, Dun Laoghaire, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted17 August 2020
D21B/0637

Permission is sought for a development consisting of:

65a Patrick Street, Dun Laoghaire, Co. Dublin, A96 RR76Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted21 January 2022
D26B/0003/WEB

Demolition of non original single storey extension, construction of part two storey and single storey extension to side and rear, associated internal and external alterations to include installation of two kitchen, bathrooms, new rooflight to main roof and upgrade of building services.

Corrigville, Corrig Avenue, Dun Laoghaire, Co. Dublin, A96AT25Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted25 February 2026
D22A/0332

Planning permission for a development. The development will consist of the construction of a two storey with setback third floor element containing stair access to roof, 3 bedroom dwelling unit of 167sq.m. with terraces at first floor and roof level, on site presently consisting of 6 car parking spaces, which formerly served the previous office use on site. The development will include ancillary site works, including the provision of a new water main, connections to existing services, a new pedestrian gate in arch and boundary wall and tree planting in footpath on south side of internal access drive. The other footpath to north of access drive serving the existing 6 houses in Corrig Court will be widened and upgraded to serve those houses and the house now proposed. Two further existing parking spaces, previously for the office use also, will be allocated to this proposal.

Corrig Court, Corrig Avenue, Dun Laoghaire, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused06 July 2022
D20A/0582

Permission for development. The development will consist of

1, Northumberland Avenue (with fronting to Lee's Lane), Dun Laoghaire, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused13 October 2020
D20A/0085

Permission for development. The development will consist of

1 Northumberland Avenue, (with frontage to Lee's Lane) Dun Laoghaire, Co. DublinDun Laoghaire Rathdown County CouncilPermission2 reasons5 conditions0.2 km away
Residential AmenityVisual Amenity
Refused26 March 2020
D21A/0399

Permission for development. Works to include repair,

Ventour, 1 Corrig Avenue, Dun Laoghaire, Co. Dublin, A96C1H7. Protected StructureDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted07 October 2021
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